Karen makes $6 per hour baby-sitting and $10 per hour giving music lessons. One weekend, she worked a total of 18 hours and made $144. How many hours did she spend baby-sitting and giving music lessons? Set up a system of equations, then solve by substitution or elimination

What is negative 3/9 times negative 2/8 ?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?